19815424

素因数分解:

$2^{10}\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:580

約数の個数: 44

約数和(自身を含む): 40759864

約数和(自身を除く): 20944440

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 256, 296, 512, 523, 592, 1024, 1046, 1184, 2092, 2368, 4184, 4736, 8368, 9472, 16736, 18944, 19351, 33472, 37888, 38702, 66944, 77404, 133888, 154808, 267776, 309616, 535552, 619232, 1238464, 2476928, 4953856, 9907712, 19815424]

約数ペア:

[(1, 19815424), (2, 9907712), (4, 4953856), (8, 2476928), (16, 1238464), (32, 619232), (37, 535552), (64, 309616), (74, 267776), (128, 154808), (148, 133888), (256, 77404), (296, 66944), (512, 38702), (523, 37888), (592, 33472), (1024, 19351), (1046, 18944), (1184, 16736), (2092, 9472), (2368, 8368), (4184, 4736)]